Adding common resource limit template

Issue-ID: OOM-1145

Change-Id: I74cb7fbb7ab83135c79fa2f065359c163001f489
Signed-off-by: Mandeep Khinda <mandeep.khinda@amdocs.com>

diff --git a/kubernetes/common/common/templates/_resources.tpl b/kubernetes/common/common/templates/_resources.tpl
new file mode 100644 (file)
index 0000000..fae7743
--- /dev/null
+++ b/kubernetes/common/common/templates/_resources.tpl
@@ -0,0 +1,59 @@
+{{- /*
+# Copyright © 2018 Amdocs, Bell Canada
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/ -}}
+
+{{- /*
+  Resolve the name of the common resource limit/request flavor.
+  The value for .Values.flavor is used by default,
+  unless either override mechanism is used.
+
+  - .Values.global.flavor  : override default flavor for all charts
+  - .Values.flavorOverride : override global and default flavor on a per chart basis
+*/ -}}
+{{- define "common.flavor" -}}
+  {{if .Values.flavorOverride }}
+    {{- printf "%s" .Values.flavorOverride -}}
+  {{else}}
+    {{- default .Values.flavor .Values.global.flavor -}}
+  {{end}}
+{{- end -}}
+
+{{- /*
+  Resolve the resource limit/request flavor using the desired flavor value.
+
+  - .Values.resources  : YAML definition of resource limits.  The flavor key
+                        is computed based on the common.flavor template and
+                        is used as the selected resource limit through the pluck
+  e.g:  resources:
+          small:
+            limits:
+              cpu: 200m
+              memory: 4Gi
+            requests:
+              cpu: 100m
+              memory: 1Gi
+          large:
+            limits:
+              cpu: 400m
+              memory: 8Gi
+            requests:
+              cpu: 200m
+              memory: 2Gi
+          unlimited: {}
+*/ -}}
+{{- define "common.resources" -}}
+{{- $flavor := include "common.flavor" . -}}
+{{- toYaml (pluck $flavor .Values.resources | first) | indent 12 -}}
+{{- end -}}